1.Please remind me ____ he said he was going.I may be in tim

1.Please remind me ____ he said he was going.I may be in time to see him off.
A.where B.when C.how D.what
2.____ there is a snowstorm or some other bad weather,the mail always comes on time.
A.Unless B.If C.When D.Because
3.____ tomorrow,our ship will set sail for Macao.
A.However the weather is like B.However is the weather like
C.Whatever is the weather like D.Whatever the weather is like
4.____ you have a healthy diet,you can reduce its benefits by inappropriate eating habits.
A.Just B.Even if C.In case D.Now that
5.No matter how ____,he should have self-respect and self-confidence.
A.a poor person may be B.a person may be poor
C.poor a person may be D.poor may be a person
6.Dozens of homes had to be abandoned ____ the sea moved farther and farther inland.
A.as B.unless C.where D.although
7.In modern society ____ more young people are getting married than ever before,the divorce rate is also on the rise.
A.as B.while C.once D.that
8.____ an environment is undisturbed,the ecology of the area is in balance.
A.Once B.For C.Where D.Unless
9.We were swimming in the lake ____ suddenly the storm started.
A.before B.while C.until D.when
10.____,otherwise you will miss the train.
A.Hurry up B.Hurrying up
C.Unless you hurry up D.If you hurry up